#calendar{
width:189px;
}
#calendar th {
    font-weight:bold;
    background:#f8f8f8;
    color:#333;
    border:none 0;
}

#calendar thead tr th:first-child {border: 2px #FF9900; -webkit-border-top-left-radius: 0;
-moz-border-radius-topleft: 0;
border-top-left-radius: 0;
border-width: 0;}

#calendar thead tr th:last-child{border: 0 none; -webkit-border-top-right-radius: 0;
-moz-border-radius-topright: 0;
border-top-right-radius: 0; border-width: 0;}